package com.atguigu.auth.controller;


import com.atguigu.auth.service.SysMenuService;
import com.atguigu.auth.service.SysUserService;
import com.atguigu.common.config.exception.GuiguException;
import com.atguigu.common.jwt.JwtHelper;
import com.atguigu.common.result.Result;
import com.atguigu.common.utils.MD5;
import com.atguigu.model.system.SysUser;
import com.atguigu.vo.system.LoginVo;
import com.atguigu.vo.system.RouterVo;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import io.swagger.annotations.Api;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Api(tags = "后台登录管理")
@RestController
@RequestMapping("/admin/system/index")

public class IndexController {
    @Autowired
    private SysUserService sysUserService;
    @Autowired
    private SysMenuService sysMenuService;

    /**
     * 登录
     *
     * @return
     */
    @PostMapping("login")
    public Result login(@RequestBody LoginVo loginVo) {

//        Map<String,Object> map =new HashMap<>();
//        map.put("token","admin-token");
//        return Result.ok(map);

        // 1 获取输入用户名和密码

        // 2 根据用户名查询数据库
        String username = loginVo.getUsername();
        LambdaQueryWrapper<SysUser> wrapper = new LambdaQueryWrapper<>();
        wrapper.eq(SysUser::getUsername, username);
        SysUser sysUser = sysUserService.getOne(wrapper);
        //3 用户信息是否存在
        if (sysUser == null) {
            throw new GuiguException(201, "用户不存在");
        }
        //4 判断密码
        //从数据库获取密码
        String password = sysUser.getPassword();
        //获取输入的密码
        String password1 = MD5.encrypt(loginVo.getPassword());
        //判断两个密码是否一致
        if (!password.equals(password1)) {
            throw new GuiguException(201, "密码错误");
        }
        //5  判断用户是否被禁用
        //   1可以用 0禁用
        if (sysUser.getStatus().intValue() == 0) {
            throw new GuiguException(201, "用户已经被禁用");
        }
        //6 使用jwt根据用户id和用户名称生成token字符串
        String token = JwtHelper.createToken(sysUser.getId(), sysUser.getUsername());
        //7 返回
        Map<String, Object> map = new HashMap<>();
        map.put("token", token);
        return Result.ok(map);
    }

    /**
     * 获取用户信息
     *
     * @return
     */
    @GetMapping("info")

    public Result info(HttpServletRequest request) {
        //1 从请求头获取用户信息(获取请求头token字符串)
        String token = request.getHeader("token");
        //2 从token字符串获取用户id  或者  用户名称
        Long userId = JwtHelper.getUserId(token);
        //3 根据用户id查询数据库  把用户信息获取出来
        SysUser sysUser = sysUserService.getById(userId);
        //4 根据用户id获取用户可以操作菜单列表()
        //查询数据库动态构建路由结构 进行显示
        List<RouterVo> routerList = sysMenuService.findUserMenuListByUserId(userId);
        //5 根据用户id 获取用户可以操作菜单列表
        List<String> permsList = sysMenuService.findUserPermsByUserId(userId);
        //6 返回响应的数据
        Map<String, Object> map = new HashMap<>();
        map.put("roles", "[admin]");
        map.put("name", sysUser.getName());
        map.put("avatar", "https://oss.aliyuncs.com/aliyun_id_photo_bucket/default_handsome.jpg");
        //返回用户可以操作菜单
        map.put("routers", routerList);
        //返回用户可以操作按钮
        map.put("buttons", permsList);
        return Result.ok(map);
    }

    /**
     * 退出
     *
     * @return
     */
    @PostMapping("logout")
    public Result logout() {
        return Result.ok();
    }
}
